We're going to solve 9999 multiplied by 9003
9999 × 9003 = 9003 × (9999)
+ 9003 × 9 that equals 81027
+ 9003 × 90 yielding 810270
+ 9003 × 900 that equals 8102700
+ 9003 × 9000 which equals 81027000

= 90020997
